Merge 3.7-rc6 into tty-next

1 files changed, 65 insertions, 3 deletions

diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c
index ff63560b8467..0c48b0e05ed6 100644
--- a/drivers/bus/omap-ocp2scp.c
+++ b/drivers/bus/omap-ocp2scp.c
@@ -22,6 +22,26 @@
 #include <linux/pm_runtime.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/platform_data/omap_ocp2scp.h>
+
+/**
+ * _count_resources - count for the number of resources
+ * @res: struct resource *
+ *
+ * Count and return the number of resources populated for the device that is
+ * connected to ocp2scp.
+ */
+static unsigned _count_resources(struct resource *res)
+{
+	int cnt	= 0;
+
+	while (res->start != res->end) {
+		cnt++;
+		res++;
+	}
+
+	return cnt;
+}
 
 static int ocp2scp_remove_devices(struct device *dev, void *c)
 {
@@ -34,20 +54,62 @@ static int ocp2scp_remove_devices(struct device *dev, void *c)
 
 static int __devinit omap_ocp2scp_probe(struct platform_device *pdev)
 {
-	int			ret;
-	struct device_node	*np = pdev->dev.of_node;
+	int ret;
+	unsigned res_cnt, i;
+	struct device_node *np = pdev->dev.of_node;
+	struct platform_device *pdev_child;
+	struct omap_ocp2scp_platform_data *pdata = pdev->dev.platform_data;
+	struct omap_ocp2scp_dev *dev;
 
 	if (np) {
 		ret = of_platform_populate(np, NULL, NULL, &pdev->dev);
 		if (ret) {
-			dev_err(&pdev->dev, "failed to add resources for ocp2scp child\n");
+			dev_err(&pdev->dev,
+			    "failed to add resources for ocp2scp child\n");
 			goto err0;
 		}
+	} else if (pdata) {
+		for (i = 0, dev = *pdata->devices; i < pdata->dev_cnt; i++,
+		    dev++) {
+			res_cnt = _count_resources(dev->res);
+
+			pdev_child = platform_device_alloc(dev->drv_name,
+			    PLATFORM_DEVID_AUTO);
+			if (!pdev_child) {
+				dev_err(&pdev->dev,
+				  "failed to allocate mem for ocp2scp child\n");
+				goto err0;
+			}
+
+			ret = platform_device_add_resources(pdev_child,
+			    dev->res, res_cnt);
+			if (ret) {
+				dev_err(&pdev->dev,
+				 "failed to add resources for ocp2scp child\n");
+				goto err1;
+			}
+
+			pdev_child->dev.parent	= &pdev->dev;
+
+			ret = platform_device_add(pdev_child);
+			if (ret) {
+				dev_err(&pdev->dev,
+				   "failed to register ocp2scp child device\n");
+				goto err1;
+			}
+		}
+	} else {
+		dev_err(&pdev->dev, "OCP2SCP initialized without plat data\n");
+		return -EINVAL;
 	}
+
 	pm_runtime_enable(&pdev->dev);
 
 	return 0;
 
+err1:
+	platform_device_put(pdev_child);
+
 err0:
 	device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices);